7808860

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1$

素因数の和:246

約数の個数: 48

約数和(自身を含む): 17146080

約数和(自身を除く): 9337220

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 89, 107, 164, 178, 205, 214, 356, 410, 428, 445, 535, 820, 890, 1070, 1780, 2140, 3649, 4387, 7298, 8774, 9523, 14596, 17548, 18245, 19046, 21935, 36490, 38092, 43870, 47615, 72980, 87740, 95230, 190460, 390443, 780886, 1561772, 1952215, 3904430, 7808860]

約数ペア:

[(1, 7808860), (2, 3904430), (4, 1952215), (5, 1561772), (10, 780886), (20, 390443), (41, 190460), (82, 95230), (89, 87740), (107, 72980), (164, 47615), (178, 43870), (205, 38092), (214, 36490), (356, 21935), (410, 19046), (428, 18245), (445, 17548), (535, 14596), (820, 9523), (890, 8774), (1070, 7298), (1780, 4387), (2140, 3649)]